diff --git a/.bumpversion.cfg b/.bumpversion.cfg
index 2ee0012..803f5da 100644
--- a/.bumpversion.cfg
+++ b/.bumpversion.cfg
@@ -6,8 +6,8 @@ tag_name = {new_version}
 message = Bump version: {current_version} -> {new_version}
 
 [bumpversion:file:deployer/__init__.py]
-search = __version__ = {current_version}
-replace = __version__ = {new_version}
+search = __version__ = '{current_version}'
+replace = __version__ = '{new_version}'
 
 [bumpversion:VERSION]
 search = __version__ = {current_version}
diff --git a/deployer/__init__.py b/deployer/__init__.py
index 78e69b2..858876a 100755
--- a/deployer/__init__.py
+++ b/deployer/__init__.py
@@ -14,7 +14,7 @@
 import ruamel.yaml
 import sys, traceback
 
-__version__ = '__version__ = 0.4.1'
+__version__ = '0.4.1'
 
 
 def main():